{"id":146,"date":"2008-10-28T16:54:16","date_gmt":"2008-10-28T14:54:16","guid":{"rendered":"http:\/\/blog.robinward.com\/?p=146"},"modified":"2013-08-15T15:18:05","modified_gmt":"2013-08-15T14:18:05","slug":"smtp-flaming","status":"publish","type":"post","link":"https:\/\/robinward.com\/?p=146","title":{"rendered":"SMTP flaming&#8230;"},"content":{"rendered":"<p>I always expect to find weird SMTP status codes&#8230; After all i dont trust Exchange MTA anymore since the greylisting bug&#8230;.<\/p>\n<p>But it is always amusing to find something like this (used by qmail)<\/p>\n<p><code>25 - - 354+go+ahead+punk,+make+my+day\u00a0<\/code> with reference to <a href=\"http:\/\/pobox.com\/%7Edjb\/docs\/smtplf.html\" target=\"_blank\">http:\/\/pobox.com\/~djb\/docs\/smtplf.html<\/a><\/p>\n<p>This was actually caused by bad formatting\u00a0 with a non RFC 821 compliant SMTP client&#8230;<\/p>\n<p>If you keep in mind that this error code message may appear in NDR to a user &#8211; which may potenially be a customer &#8211; this method is not really\u00a0 suited to handle noncompliance.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I always expect to find weird SMTP status codes&#8230; After all i dont trust Exchange MTA anymore since the greylisting bug&#8230;. But it is always amusing to find something like this (used by qmail) 25 &#8211; &#8211; 354+go+ahead+punk,+make+my+day\u00a0 with reference to http:\/\/pobox.com\/~djb\/docs\/smtplf.html This was actually caused by bad formatting\u00a0 with a non RFC 821 compliant &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/robinward.com\/?p=146\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;SMTP flaming&#8230;&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-146","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/robinward.com\/index.php?rest_route=\/wp\/v2\/posts\/146","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/robinward.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/robinward.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/robinward.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/robinward.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=146"}],"version-history":[{"count":1,"href":"https:\/\/robinward.com\/index.php?rest_route=\/wp\/v2\/posts\/146\/revisions"}],"predecessor-version":[{"id":735,"href":"https:\/\/robinward.com\/index.php?rest_route=\/wp\/v2\/posts\/146\/revisions\/735"}],"wp:attachment":[{"href":"https:\/\/robinward.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=146"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/robinward.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=146"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/robinward.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=146"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}